CN109622438B - Cleaning device and system, cleaning control device, method and system - Google Patents
Cleaning device and system, cleaning control device, method and system Download PDFInfo
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- CN109622438B CN109622438B CN201811613789.2A CN201811613789A CN109622438B CN 109622438 B CN109622438 B CN 109622438B CN 201811613789 A CN201811613789 A CN 201811613789A CN 109622438 B CN109622438 B CN 109622438B
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- 238000005406 washing Methods 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 21
- 239000012459 cleaning agent Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 17
- 238000002789 length control Methods 0.000 claims description 7
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same
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- Cleaning In General (AREA)
Abstract
The invention discloses a cleaning device and a system, a cleaning control device, a method and a system, wherein the cleaning device comprises: a case having an opening; the cleaning part is a flexible belt-shaped structure with a preset length, the cleaning part is provided with a first end part and a second end part in the length direction, the first end part extends into the box body from the opening, the second end part is connected with the box body and is arranged close to the opening, so that at least part of the cleaning part is enclosed to form a cleaning space for accommodating the blades, and the cleaning space is communicated in the width direction of the cleaning part; the belt length adjusting mechanism is arranged on the box body and connected to the first end portion, and the belt length adjusting mechanism can receive and release the cleaning piece so as to change the size of the cleaning space. By adopting the technical scheme in the embodiment of the invention, the blades of the wind generating set which is installed in the air can be automatically cleaned, and the blade cleaning efficiency and safety are improved.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a cleaning device and system, and a cleaning control device, method and system.
Background
The wind generating set adopts a windmill type generating mode, and because the wind generating set is in a field environment for a long time, dust, grass floc, mosquito corpses and the like can be inevitably attached to the blades in the operation process, and if sundries are accumulated on the windward side of the blades, the wind blows over from the windward side, and is irregularly disturbed, so that the utilization rate of the blades to wind energy is reduced, and the generating capacity of the wind generating set is reduced. The length of the wind generating set blade is 37m to 80m, and the wind generating set blade is arranged at the high altitude of 70m to 140m, so that the cleaning and maintenance of the wind generating set blade are inconvenient.
At present, the manual cleaning operation is mainly adopted, the blades are cleaned by manually climbing to the height of 70m, the cleaning time is long, and the safety is poor.
Disclosure of Invention
The embodiment of the invention provides a cleaning device and system, a cleaning control device, a cleaning control method and a cleaning control system, which can automatically clean blades of a wind generating set installed in the air, and improve the blade cleaning efficiency and safety.
In a first aspect, an embodiment of the present invention provides a cleaning device for cleaning a blade of a wind turbine generator system, where the cleaning device includes:
a case having an opening;
the cleaning part is a flexible belt-shaped structure with a preset length, the cleaning part is provided with a first end part and a second end part in the length direction, the first end part extends into the box body from the opening, the second end part is connected with the box body and is arranged close to the opening, so that at least part of the cleaning part is enclosed to form a cleaning space for accommodating the blades, and the cleaning space is communicated in the width direction of the cleaning part;
the belt length adjusting mechanism is arranged on the box body and connected to the first end portion, and the belt length adjusting mechanism can receive and release the cleaning piece so as to change the size of the cleaning space.
In a possible embodiment of the first aspect, the cleaning member has a body of the accommodating chamber, and an inlet and an outlet which are communicated with the accommodating chamber, and the inlet and the outlet are respectively provided with a control valve; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet.
In one possible embodiment of the first aspect, the safety valve is disposed in the accommodating chamber.
In one possible embodiment of the first aspect, the washing device further comprises a washing accessory, and the washing accessory is arranged on a surface of the washing member which encloses the washing space.
In one possible embodiment of the first aspect, the cleaning attachment includes a spray member and a wiping member, which are sequentially distributed in a width direction, the spray member being capable of spraying the cleaning agent, and the wiping member being capable of abutting against the blade and frictionally engaging with the blade.
In a possible implementation manner of the first aspect, the cleaning accessory further comprises a cleaning brush, and the cleaning brushes are respectively arranged between the spraying component and the wiping component which are arranged adjacently; the wiping member and the shower member extend in the longitudinal direction, and the number of the washing brushes is two or more and are distributed in succession in the longitudinal direction.
In a possible embodiment of the first aspect, the cleaning device further includes a suspension member, the suspension member is connected to the cleaning member and spaced apart from the cleaning member in a longitudinal direction, and a projection line of the suspension member in a width direction is polygonal.
In a possible embodiment of the first aspect, the lifting member further comprises a traction belt, a driving member having a rotating shaft, and a guide wheel, the traction belt is overlapped on the guide wheel, one end of the traction belt is wound on the rotating shaft, and the other end of the traction belt can be connected with the suspension member.
In a second aspect, an embodiment of the present invention provides a washing control apparatus for controlling the washing apparatus described above, including:
and the belt length control module is used for controlling the belt length adjusting mechanism to work, collecting and releasing the cleaning piece, and cleaning the blade by utilizing the surface of the cleaning space formed by the enclosing of the cleaning piece.
In a possible embodiment of the second aspect, the cleaning member has a body of the accommodating chamber, an inlet and an outlet which are communicated with the accommodating chamber, and the inlet and the outlet are respectively provided with a control valve; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet; the cleaning control device further comprises an air pressure control module which is used for controlling the control valve at the inlet to be opened and controlling the inflation pump to work, or controlling the control valve at the outlet to be opened so as to maintain the air pressure of the accommodating cavity in a preset air pressure interval.
In a possible implementation manner of the second aspect, the cleaning device further includes a cleaning accessory, the cleaning accessory is disposed on a surface of the cleaning part which encloses a cleaning space, and the cleaning accessory includes a spraying part and a wiping part which are sequentially distributed along a width direction; the cleaning control device further comprises a spraying control module for controlling the spraying part to spray the cleaning agent.
In a possible embodiment of the second aspect, the cleaning device further comprises a suspension member and a lifting member, the lifting member comprising a traction belt, a driving member having a rotating shaft, and a guide wheel, the traction belt overlapping the guide wheel, one end of the traction belt being wound around the rotating shaft and the other end being connectable with the suspension member; the cleaning control device further comprises a lifting control module for controlling the driving piece to work, lifting the box body and the cleaning piece.
In a third aspect, an embodiment of the present invention provides a cleaning control method for controlling a cleaning apparatus as described above, where the cleaning control method includes: and controlling the belt length adjusting mechanism to work, collecting and releasing the cleaning piece, and cleaning the blade by utilizing the surface of the cleaning space formed by the enclosing of the cleaning piece.
In a possible embodiment of the third aspect, the cleaning member has a body of the accommodating chamber, an inlet and an outlet which are communicated with the accommodating chamber, and the inlet and the outlet are respectively provided with a control valve; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet; the cleaning device further comprises a cleaning accessory, the cleaning accessory is arranged on the surface of a cleaning space enclosed by the cleaning part, and the cleaning accessory comprises a spraying part and a wiping part which are sequentially distributed along the width direction; the cleaning device further comprises a suspension component and a lifting component, wherein the lifting component comprises a traction belt, a driving component with a rotating shaft and a guide wheel, the traction belt is lapped on the guide wheel, one end of the traction belt is wound on the rotating shaft, and the other end of the traction belt can be connected with the suspension component;
the cleaning control method further includes: controlling a control valve at the inlet to be opened and controlling the inflation pump to work, or controlling a control valve at the outlet to be opened, so that the air pressure of the accommodating cavity is maintained in a preset air pressure interval; and/or controlling the spray part to spray cleaning agent; and/or controlling the driving piece to work so as to lift the box body and the cleaning piece.
In a fourth aspect, an embodiment of the present invention provides a cleaning control system, configured to control a cleaning apparatus as described above, where scales are provided on a cleaning member along a length direction of the cleaning member, and the control system includes: the belt length sensor is connected to the box body and arranged facing the scales so as to read the scales, and one pulse is output every time one scale is read; and the belt length control module is electrically connected with the belt length sensor and used for controlling the belt length adjusting mechanism to work according to the number of pulses, collecting and releasing the cleaning pieces and cleaning the blades by utilizing the surface of the cleaning space formed by the enclosing of the cleaning pieces.
In a possible embodiment of the fourth aspect, the cleaning member has a body of the accommodating chamber, an inlet and an outlet which are communicated with the accommodating chamber, and the inlet and the outlet are respectively provided with a control valve; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet; the washing control system further includes: the air pressure sensor is arranged in the accommodating cavity, connected with the body and used for measuring the air pressure of the accommodating cavity; the air pressure control module is electrically connected with the air pressure sensor and used for controlling the control valve at the inlet to be opened and controlling the inflation pump to work if the air pressure of the accommodating cavity is higher than the upper limit of the preset air pressure interval; if the air pressure of the accommodating cavity is lower than the lower limit of the preset air pressure interval, the control valve at the outlet is controlled to be opened, so that the air pressure of the accommodating cavity is maintained in the preset air pressure interval.
In one possible embodiment of the fourth aspect, the cleaning device further comprises a suspension member and a lifting member, the lifting member comprising a traction belt, a driving member having a rotating shaft, and a guide wheel, the traction belt overlapping the guide wheel, one end of the traction belt being wound around the rotating shaft and the other end being connectable with the suspension member; the washing control system further includes: the first position sensor is positioned at the lower end of the cleaning piece in the width direction, faces the cleaning space in the detection direction and is used for outputting a first level signal when an object appears in the detection direction; the lifting control module is electrically connected with the first position sensor and used for controlling the rotating shaft of the driving piece to rotate along a first direction according to the first level signal so as to lift the box body and the cleaning piece; the second position sensor is positioned at the upper end of the cleaning piece in the width direction, the detection direction of the second position sensor is parallel to the width direction, and the second position sensor is used for outputting a second level signal when an object appears in the detection direction; and the lifting control module is electrically connected with the second position sensor and used for controlling the rotating shaft of the driving piece to rotate reversely according to the second level signal so as to lower the box body and the cleaning piece.
In a possible implementation manner of the fourth aspect, the cleaning device further includes a cleaning accessory, the cleaning accessory is disposed on a surface of the cleaning part which encloses the cleaning space, and the cleaning accessory includes a spraying part and a wiping part which are sequentially distributed along the width direction; the cleaning control system further comprises a spraying control module which is electrically connected with the first position sensor and used for controlling the spraying component to start spraying the cleaning agent according to the first level signal.
In a fifth aspect, an embodiment of the present invention provides a blade cleaning system, including: a cleaning apparatus as described above and a cleaning control system as described above.
As described above, since the cleaning member in the embodiment of the present invention has the first end portion and the second end portion in the longitudinal direction thereof, the first end portion extends into the tank through the opening, and the second end portion is connected to the tank and disposed close to the opening, a cleaning space for accommodating the blade can be formed by enclosing at least a part of the cleaning member, and the cleaning space penetrates in the width direction of the cleaning member.
Compared with the manual cleaning operation in the prior art, the cleaning device provided by the embodiment of the invention can collect and release the cleaning piece through the belt length adjusting mechanism, and change the size of the cleaning space, so that the shape of the blade is followed, namely the blade is matched with the shape of the chordwise section of the blade, the surface of the cleaning space formed by enclosing the cleaning piece is utilized to automatically clean the blade, and the blade cleaning efficiency and safety are improved.
Drawings
The present invention may be better understood from the following description of specific embodiments thereof taken in conjunction with the accompanying drawings, in which like or similar reference characters identify like or similar features.
FIG. 1 is a schematic shape diagram of a wind turbine blade according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the blade corresponding to FIG. 1 in the 0-0 direction (chordwise direction);
FIG. 3 is a schematic structural diagram of a cleaning apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic layout of a cleaning accessory according to an embodiment of the present invention;
FIG. 5 is a schematic view of the cleaning apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cleaning control device according to an embodiment of the present invention;
FIG. 7 is a schematic flow chart illustrating a cleaning control method according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a cleaning control system according to an embodiment of the present invention;
fig. 9 is an electrical schematic diagram of a cleaning control system according to an embodiment of the present invention.
Description of reference numerals:
301-a box body; 302-opening; 303-cleaning member; 304. 305, 306, 307-suspension members;
401-a spray component; 402-a wiping member; 403-washing brush; 501-driving piece; 502-nacelle;
503-traction belt.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following description is given with the directional terms in the drawings, and is not intended to limit the specific structure of the cleaning device of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The embodiment of the invention provides a cleaning device and system, a cleaning control device, a cleaning control method and a cleaning control system.
Fig. 1 is a schematic shape diagram of a wind generating set blade according to an embodiment of the invention.
FIG. 2 is a cross-sectional view of the blade corresponding to FIG. 1 in the 0-0 direction (chordwise direction).
As can be seen from fig. 1 and 2, from the blade tip to the blade root, the chordwise perimeter of the blade is enlarged and then reduced.
Fig. 3 is a schematic structural diagram of a cleaning device provided by an embodiment of the invention, which is used for cleaning a blade of a wind generating set (see fig. 1).
As shown in fig. 3, the cleaning apparatus includes: a case 301, a cleaning member 303, and a belt length adjusting mechanism (not shown in the drawings). The box body 301 is provided with an opening 302, the cleaning piece 303 is a flexible belt-shaped structure with a preset length, the cleaning piece 303 is provided with a first end part and a second end part in the length direction of the cleaning piece 303, the first end part extends into the box body 301 from the opening 302, the second end part is connected to the box body 301 and is arranged close to the opening 302, so that at least part of the cleaning piece 303 is enclosed to form a cleaning space for accommodating blades, and the cleaning space penetrates in the width direction of the cleaning piece 303.
The embodiment of the present invention does not limit the specific shape of the box 301, and the opening 302 shown in fig. 3 is provided at the lower side of the box 301, and in the specific implementation, a person skilled in the art can appropriately adjust the position of the opening 302 as long as at least part of the cleaning member 303 can enclose the cleaning space for accommodating the blade.
The belt length adjusting mechanism can be arranged on the box body 301 and connected to the first end portion, and the belt length adjusting mechanism can receive and release the cleaning piece so as to change the size of the cleaning space. Illustratively, the tape length adjusting mechanism may be implemented as a reel driven by a motor, the first end of the cleaning member 303 extends into the box 301 through the opening 302 and is wound on the reel, and since the second end of the cleaning member 303 is fixed, the length of the first end of the cleaning member 303 extending into the box 301 can be adjusted by rotating the reel, so as to achieve the effects of storing and releasing the cleaning member and changing the size of the cleaning space.
Specifically, the longer the first end of the cleaning member 303 protrudes into the tank 301 (as indicated by arrow a), the smaller the cleaning space, and conversely, the shorter the first end of the cleaning member 303 protrudes into the tank 301 (as indicated by arrow B), the larger the cleaning space.
The embodiment of the invention is not limited to the structure of the belt length adjusting mechanism, and in specific implementation, a person skilled in the art can also adjust the length of the first end part of the cleaning piece 303 extending into the box body 301 in a folding mode, so that the effects of storing and releasing the cleaning piece and changing the size of the cleaning space are achieved.
As described above, since the cleaning member 303 in the embodiment of the present invention has the first end portion and the second end portion in the longitudinal direction thereof, the first end portion extends into the case 301 from the opening 302, and the second end portion is connected to the case 301 and disposed near the opening 302, a cleaning space for accommodating the blade can be formed by enclosing at least a part of the cleaning member 303, and the cleaning space penetrates in the width direction of the cleaning member 303.
Compared with the manual cleaning operation in the prior art, the cleaning device provided by the embodiment of the invention can collect and release the cleaning piece through the belt length adjusting mechanism, and change the size of the cleaning space, so that the shape of the blade is followed, namely the blade is matched with the shape of the chordwise section of the blade, the surface of the cleaning space formed by enclosing the cleaning piece 303 is utilized to automatically clean the blade, and the blade cleaning efficiency and safety are improved.
In one example, the cleaning member 303 may have a body with a containing cavity, and an inlet and an outlet which are communicated with the containing cavity and are respectively provided with a control valve, that is, the cleaning member 303 is an inflatable elastic body, the inner layer of the cleaning member can elastically abut against the blade, and the outer layer of the cleaning member can be a non-telescopic nylon soft material. Further, the cleaning device further includes an inflator (not shown) disposed in the tank 301 and communicating with the inlet.
During specific implementation, after the cleaning space is matched with the shape of the chord-wise section of the blade, the control valve at the inlet can be controlled to open and control the inflation pump to work, or the control valve at the outlet is controlled to open, the air pressure of the accommodating cavity is maintained within a preset air pressure range, and the surface of the cleaning space surrounded by the cleaning part 303 is tightly attached to the blade, so that the cleaning effect of the blade is improved.
In addition, consider to hold the chamber and probably take place the problem of aerifing, belt cleaning device further can include the relief valve, and the relief valve sets up in holding the chamber, and when holding the chamber air pressure and surpassing safe allowwing atmospheric pressure, the relief valve action releases the atmospheric pressure that holds in the chamber to avoid the safety problem because of holding the too high arouse of chamber pressure.
In one example, the cleaning device further comprises a cleaning accessory, and the cleaning accessory is arranged on the surface of the cleaning piece 303 which encloses the cleaning space to improve the cleaning effect of the blade.
Fig. 4 is a schematic layout diagram of a cleaning accessory according to an embodiment of the present invention.
As shown in fig. 4, the cleaning attachment includes a shower member 401 and a wiping member 402 which are sequentially distributed in the width direction, the shower member 401 can eject cleaning agent, and the wiping member 402 can abut against and frictionally engage with the blade.
Illustratively, the spray component 401 may be implemented by a spray pipeline pre-filled with a cleaning agent, and the cleaning agent is sprayed out from a small hole on the spray pipeline to the surface of the blade.
For example, the specific structural implementation manner of the wiping component 402 may be a sponge or a cleaning cloth, which is used for cleaning the blade and adsorbing the cleaning agent, and in the specific implementation, the wiping component 402 may be adhered to the surface of the cleaning component 303, which encloses the cleaning space, through a hook and loop fastener, and is easy to replace.
The cleaning attachment shown in fig. 4 may further include a cleaning brush 403, the cleaning brushes 403 may be provided between the shower member 401 and the wiper member 402 provided adjacently, the wiper member 402 and the shower member 401 may extend in the longitudinal direction, and the number of the cleaning brushes 403 may be two or more and may be distributed in succession in the longitudinal direction.
In specific implementation, the cleaning brush 403 may be driven by a motor to rotate, and from the perspective of easy replacement, the cleaning brush 403 and the motor may be connected by a buckle.
In one example, the cleaning device further includes a plurality of suspension members, the number of the suspension members may be multiple, the plurality of suspension members are connected to the cleaning member 303 and are arranged at intervals in the length direction, and a projection connecting line of the plurality of suspension members in the width direction is polygonal, so that the tank 301 and the cleaning member 303 can be smoothly sleeved on the blade.
In fig. 3, 4 suspension members 304 and 307 are shown, wherein the suspension members 304 and 306 are fixed, one suspension member 307 is movable with the cleaning member 303, the suspension member 307 is also received in the tank 301 when the cleaning member 303 is retracted into the tank 301, and the suspension member 307 is released when the cleaning member 303 is released from the tank 301.
Further, the cleaning device may include a lifting member, the lifting member is disposed relatively independently of the case 301 and the cleaning member 303, the lifting member includes a traction belt 503, a driving member 501 having a rotating shaft, and a guide wheel, the traction belt 503 is overlapped on the guide wheel, one end of the traction belt 503 is wound around the rotating shaft, and the other end of the traction belt is capable of being connected to the hanging member.
Fig. 5 is a schematic elevation view of a cleaning apparatus according to an embodiment of the present invention.
As shown in fig. 5, when the blade needs to be cleaned:
firstly, a driving piece 501 and a guide wheel are preassembled in a nacelle 502, a plurality of traction belts 503 (such as steel cables) are lapped on the guide wheel, one end of each traction belt 503 is wound on a rotating shaft, then one blade is adjusted to be vertical to the ground, and the other ends of the plurality of traction belts 503 are respectively connected with a suspension part;
then, the driving part 501 is controlled to work, the box body 301 and the cleaning part 303 are pulled and sleeved on the blade, in specific implementation, the end e of the box body 301 should be arranged close to the rear edge b of the blade, and the cleaning part 303 is used for cleaning the blade by utilizing the surface which is enclosed to form a cleaning space.
It should be noted that, in the whole cleaning process, the cleaning member 303 is lifted from the blade tip to the blade root and is lowered from the blade root to the blade tip, so as to automatically and repeatedly clean the blade.
Fig. 6 is a schematic structural diagram of a cleaning control device according to an embodiment of the present invention, configured to control the cleaning device, where the cleaning control device includes: a belt length control module 601, an air pressure control module 602, a spraying control module 603 and a lifting control module 604.
The belt length control module 601 is used for controlling the belt length adjusting mechanism to work, collecting and releasing cleaning pieces, and cleaning the blades by utilizing the surface of a cleaning space formed by the cleaning pieces in a surrounding mode.
The air pressure control module 602 is configured to control the control valve at the inlet to open and control the inflator to operate, or control the control valve at the outlet to open, so that the air pressure in the accommodating cavity is maintained within a preset air pressure range.
The spray control module 603 is used for controlling the spray part to spray cleaning agent.
The lifting control module 604 is used for controlling the operation of the driving member, lifting the box body and the cleaning member.
In one example, the washing control device further comprises a washing brush motor control module (not shown in the figure) for controlling the operation of the washing brush to improve the washing effect of the blades.
In one example, the cleaning control device further includes a shutdown processing module (not shown in the figure) electrically connected to the safety valve. During the concrete implementation, after holding the chamber air pressure and surpassing safe admission atmospheric pressure, shut down the processing module and receive the triggering feedback signal of relief valve, at this moment, shut down processing module and be responsible for control system shutdown, for example send the stop-filling signal to the atmospheric pressure control module, send the stop instruction signal who sprays the cleaner to spraying the module to and send the stop work's signal to the driving piece, thereby avoid because of holding the safety problem that the chamber pressure is too high and arouse.
The specific implementation form of the cleaning control device in the embodiment of the invention can be a PLC with a logic operation function, can write a logic program, set a fault warning value, and realize the system alarm non-stop in a preset range and emergency stop after exceeding the range. The cleaning control device can also be provided with a network interface and a wireless processing module, can be connected with a computer and a smart phone, and adopts a webpage mode to perform functions such as debugging, parameter setting and the like.
Fig. 7 is a schematic flowchart of a cleaning control method for controlling the cleaning apparatus, as shown in fig. 7, according to an embodiment of the present invention, where the cleaning control method includes steps 701 to 704.
In step 701, the belt length adjusting mechanism is controlled to work, the cleaning piece is retracted and released, and the surface of the cleaning space formed by the cleaning piece in a surrounding mode is utilized to clean the blade.
In step 702, the control valve at the inlet is controlled to open, and the inflator operates, or the control valve at the outlet is controlled to open, so that the air pressure of the accommodating cavity is maintained in a preset air pressure interval.
In step 703, the spray unit is controlled to spray a cleaning agent.
In step 704, the drive member is controlled to operate to lift the tank and the cleaning member.
It should be noted that step 704 may be continuously performed in the whole cleaning cycle, and the execution order is not limited herein.
Fig. 8 is a schematic structural diagram of a cleaning control system according to an embodiment of the present invention, and fig. 8 is different from fig. 6 in that the cleaning control system in fig. 8 further includes a sensor assembly including a belt length sensor 801, an air pressure sensor 802, a first position sensor 803, and a second position sensor 804, for implementing precise control of blade cleaning in cooperation with the cleaning control device in fig. 6.
The belt length sensor 801 is connected to the box body and arranged facing the scales to read the scales, and each time a scale is read, a pulse is output; the belt length control module 601 is electrically connected to the belt length sensor 801, and is used for controlling the belt length adjusting mechanism to work according to the number of pulses, collecting and releasing cleaning pieces, and cleaning the blades by using the surface of the cleaning space surrounded by the cleaning pieces.
The air pressure sensor 802 is arranged in the accommodating cavity, is connected with the body and is used for measuring the air pressure of the accommodating cavity; the air pressure control module 602 is electrically connected to the air pressure sensor 801, and is configured to control the control valve at the inlet to open and the inflator pump to operate if the air pressure in the accommodating cavity is higher than the upper limit of the preset air pressure interval; if the air pressure of the accommodating cavity is lower than the lower limit of the preset air pressure interval, the control valve at the outlet is controlled to be opened, so that the air pressure of the accommodating cavity is maintained in the preset air pressure interval.
For example, when the shape of the blade is reduced, the first end part of the cleaning piece is rolled up, the pressure in the accommodating cavity is increased, the control valve at the control outlet is opened to exhaust gas, and the attachment of the blade with the reduced shape is realized; when the shape of the blade is enlarged, the first end part of the cleaning piece is released, the pressure in the accommodating cavity is reduced, the control valve at the control inlet is opened to exhaust, the inflation pump works, and attachment when the shape of the blade is enlarged is realized.
A first position sensor 803 is located at a lower end of the cleaning member in the width direction (see fig. 5) with the detection direction directed toward the cleaning space, for outputting a first level signal when an object is present in the detection direction; the lifting control module 604 is electrically connected to the first position sensor 803, and is configured to control the rotating shaft of the driving member to rotate in a first direction according to the first level signal, so as to lift the tank body and the cleaning member; the second position sensor 804 is located at an upper end of the cleaning member in the width direction (see fig. 5) and has a detection direction parallel to the width direction, and outputs a second level signal when an object is present in the detection direction; the lifting control module 604 is electrically connected to the second position sensor 804, and is configured to control the rotating shaft of the driving member to rotate in the opposite direction according to the second level signal, so as to lower the box body and the cleaning member.
In practice, two sets of position sensors can be configured for the cleaning piece, namely, the upper end and the lower end of the cleaning piece in the width direction are both provided with the first position sensor 803 and the second position sensor 804, so that the use direction of the cleaning piece does not need to be distinguished, the front side and the back side of the cleaning piece can be used, and the cleaning piece is very convenient.
The spray control module 603 is electrically connected to the first position sensor 803, and is configured to control the spray component to start spraying the cleaning agent according to the first level signal.
Fig. 9 is an electrical schematic diagram of a cleaning control system according to an embodiment of the present invention, which is used to describe in detail an electrical structure of a cleaning apparatus according to an embodiment of the present invention.
The module 901 is a logic PLC, the modules 902, 903 and 905 are digital quantity sampling modules and can process voltage signals of 0V and 24V, and the module 904 is an analog quantity sampling module and can directly read 4-20mA signals and convert the signals into corresponding values, and the modules are extension modules directly connected with the PLC.
803 is a first position sensor (distance detecting means) which outputs a voltage of 24V when there is a component within 2cm in front of the detecting means; when no part is within 2cm of the front of the detection device, 0V voltage is output.
804 is a second position sensor (distance detection device) for outputting 0V voltage when a part is within 2cm in front of the detection device; when no part is within 2cm of the front of the detection device, 24V voltage is output.
802 is a pressure sensor (pressure transmitter) that can convert a pressure signal to a 4-20mA signal output.
916 is a liquid crystal control screen for displaying a parameter setting interface.
917. 918, 919 and 920 are control relays, are controlled by a PLC, and 917 controls the starting and stopping of the spraying system; 918, controlling the starting and stopping of a motor part of the cleaning brush, 919 controlling an inflation system, starting when the pressure is small, supplementing the pressure of the system, and ensuring that the pressure is kept above a certain value; 920 is control of the exhaust system, which is activated when the pressure is too high, to reduce the system pressure.
Signal indication is 921, red light is fault, green light is system normal, blue light is system operation. When the lamp works normally, the blue lamp and the green lamp are always on.
922 is a safety valve node, when the system pressure exceeds the maximum system pressure, the safety valve acts to release the system pressure, and a signal is fed back to the PLC to make the system suddenly stop.
923 is the emergency stop control of the system, when the system has abnormal pressure and equipment damage, the system can be stopped urgently, mainly the operation of the components such as the inflation system and the motor is stopped.
When the cleaning piece is used specifically, the airfoil shape of the blade needs to be confirmed, the end e of the movable part of the cleaning piece is close to the end b of the trailing edge of the blade, and the end d of the fixed part of the cleaning piece is close to the end a of the leading edge of the blade.
When the cleaning piece reaches the blade tip part, the first position sensor 803 is started, the cleaning piece starts to tighten, when the cleaning piece cannot tighten, the system defaults to tighten to the minimum, the containing cavity of the cleaning piece starts to be inflated, and after the pressure reaches the set pressure, the inflation is stopped.
And as the cleaning piece is lifted upwards, the cleaning piece is gradually released, and simultaneously the replenishing pressure reaches a set pressure range, at the moment, the spraying part starts to spray the cleaning agent, the cleaning brush starts to clean the blades, and the wiping part wipes and cleans dirt and surface cleaning agent.
When the cleaning piece is lifted to the maximum part of the blade, the cleaning piece is gradually tightened, and meanwhile, the redundant pressure is released; when the root of the blade is cleaned, the second position sensor 804 is activated, and after a certain time (for example, 1min), the cleaning member moves reversely from the root to the tip of the blade.
It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. For the device embodiments, reference may be made to the description of the method embodiments in the relevant part. Embodiments of the invention are not limited to the specific steps and structures described above and shown in the drawings. Those skilled in the art may make various changes, modifications and additions to, or change the order between the steps, after appreciating the spirit of the embodiments of the invention. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of an embodiment of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
Embodiments of the present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. For example, the algorithms described in the specific embodiments may be modified without departing from the basic spirit of the embodiments of the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the embodiments of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (19)
1. A cleaning device for cleaning a blade of a wind turbine generator system, characterized in that it comprises:
a case having an opening;
the cleaning piece is a flexible belt-shaped structure with a preset length, the cleaning piece is provided with a first end part and a second end part in the length direction of the cleaning piece, the first end part extends into the box body from the opening, the second end part is connected to the box body and is arranged close to the opening, so that at least part of the cleaning piece is enclosed to form a cleaning space for accommodating the blade, and the cleaning space penetrates in the width direction of the cleaning piece;
and the belt length adjusting mechanism is arranged on the box body and connected to the first end part, and can retract and release the cleaning piece so as to change the size of the cleaning space.
2. The cleaning device according to claim 1, wherein the cleaning member has a body of a housing chamber, an inlet and an outlet communicated with the housing chamber, the inlet and the outlet being respectively provided with a control valve;
the cleaning device further comprises an inflator pump, and the inflator pump is arranged in the box body and communicated with the inlet.
3. The cleaning device of claim 1, further comprising a relief valve disposed in the receiving cavity of the cleaning member.
4. The cleaning device of claim 1, further comprising a cleaning attachment disposed on a surface of the cleaning member that encloses the cleaning volume.
5. The cleaning device as claimed in claim 4, wherein the cleaning attachment includes a shower member and a wiping member which are arranged in this order in the width direction, the shower member being capable of spraying the cleaning agent, and the wiping member being capable of abutting against the blade and frictionally engaging with the blade.
6. The cleaning device according to claim 5, wherein the cleaning attachment further comprises cleaning brushes, and the cleaning brushes are respectively arranged between the spraying component and the wiping component which are adjacently arranged;
the wiping member and the spraying member extend in the longitudinal direction, and the number of the cleaning brushes is two or more and the cleaning brushes are distributed in the longitudinal direction in succession.
7. The cleaning device according to claim 1, further comprising a plurality of suspension members connected to the cleaning member and arranged at intervals in the length direction, wherein a projection line of the plurality of suspension members in the width direction is polygonal.
8. The cleaning apparatus defined in claim 7, further comprising an elevating member including a traction belt, a driving member having a shaft, and a guide wheel, the traction belt overlapping the guide wheel, one end of the traction belt being wound around the shaft and the other end being connectable with the suspension member.
9. A washing control apparatus for controlling the washing apparatus according to any one of claims 1 to 8, the washing control apparatus comprising:
and the belt length control module is used for controlling the belt length adjusting mechanism to work, retracting the cleaning piece and cleaning the blade by utilizing the surface of the cleaning space formed by the enclosing of the cleaning piece.
10. The cleaning control device according to claim 9, wherein the cleaning member has a body of a housing chamber, an inlet and an outlet communicating with the housing chamber, the inlet and the outlet being provided with control valves, respectively; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet;
the cleaning control device further comprises an air pressure control module which is used for controlling the control valve at the inlet to be opened and controlling the inflator pump to work, or controlling the control valve at the outlet to be opened, so that the air pressure of the accommodating cavity is maintained in a preset air pressure interval.
11. The cleaning control device according to claim 9, wherein the cleaning device further comprises a cleaning attachment provided on a surface of the cleaning member that encloses the cleaning space, the cleaning attachment including a shower member and a wiping member that are sequentially distributed in the width direction;
the cleaning control device further comprises a spraying control module used for controlling the spraying part to spray cleaning agent.
12. The washing control device as claimed in claim 9, wherein the washing device further comprises a hanging member and a lifting member, the lifting member comprising a traction belt, a driving member having a rotation shaft, and a guide wheel, the traction belt overlapping the guide wheel, one end of the traction belt being wound around the rotation shaft and the other end being connectable with the hanging member;
the cleaning control device further comprises a lifting control module which is used for controlling the driving piece to work and lifting the box body and the cleaning piece.
13. A cleaning control method for controlling the cleaning apparatus according to any one of claims 1 to 8, the cleaning control method comprising:
and controlling the belt length adjusting mechanism to work, retracting and releasing the cleaning space, and cleaning the blade by utilizing the surface of the cleaning space formed by the enclosing of the cleaning piece.
14. The washing control method according to claim 13, wherein the washing member has a body having a housing chamber, an inlet and an outlet communicating with the housing chamber, the inlet and the outlet being provided with control valves, respectively; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet;
the cleaning device further comprises a cleaning accessory, the cleaning accessory is arranged on the surface of the cleaning space surrounded by the cleaning piece, and the cleaning accessory comprises a spraying part and a wiping part which are sequentially distributed along the width direction;
the cleaning device further comprises a suspension component and a lifting component, wherein the lifting component comprises a traction belt, a driving piece with a rotating shaft and a guide wheel, the traction belt is overlapped on the guide wheel, one end of the traction belt is wound on the rotating shaft, and the other end of the traction belt can be connected with the suspension component;
the cleaning control method further includes:
controlling a control valve at the inlet to be opened and controlling the inflator pump to work, or controlling a control valve at the outlet to be opened, so that the air pressure of the accommodating cavity is maintained in a preset air pressure interval;
and/or controlling the spray part to spray cleaning agent;
and/or controlling the driving piece to work so as to lift the box body and the cleaning piece.
15. A cleaning control system for controlling a cleaning apparatus according to any one of claims 1 to 8, said cleaning member being provided with graduations along said length thereof, said control system comprising:
the belt length sensor is connected to the box body and arranged facing the scales so as to read the scales, and one pulse is output every time one scale is read;
and the belt length control module is electrically connected with the belt length sensor and used for controlling the belt length adjusting mechanism to work according to the number of the pulses, retracting and releasing the cleaning space and cleaning the blades by utilizing the surface of the cleaning space formed by the enclosing of the cleaning parts.
16. The washing control system of claim 15, wherein the washing member has a body with a receiving cavity, an inlet and an outlet communicating with the receiving cavity, the inlet and the outlet being provided with control valves, respectively; the cleaning device further comprises an inflator pump which is arranged in the box body and communicated with the inlet;
the washing control system further includes:
the air pressure sensor is arranged in the accommodating cavity, connected with the body and used for measuring the air pressure of the accommodating cavity;
the air pressure control module is electrically connected with the air pressure sensor and used for controlling the control valve at the inlet to be opened and controlling the inflator pump to work if the air pressure of the accommodating cavity is higher than the upper limit of a preset air pressure interval; and if the air pressure of the accommodating cavity is lower than the lower limit of the preset air pressure interval, controlling a control valve at the outlet to be opened, so that the air pressure of the accommodating cavity is maintained in the preset air pressure interval.
17. The washing control system of claim 15, wherein the washing device further comprises a suspension member and a lifting member, the lifting member comprising a traction belt, a driving member having a rotating shaft, and a guide wheel, the traction belt overlapping the guide wheel, one end of the traction belt being wound around the rotating shaft and the other end being connectable with the suspension member;
the washing control system further includes:
the first position sensor is positioned at the lower end of the cleaning piece in the width direction, the detection direction of the first position sensor faces the cleaning space, and the first position sensor is used for outputting a first level signal when an object appears in the detection direction;
the lifting control module is electrically connected with the first position sensor and used for controlling the rotating shaft of the driving piece to rotate along a first direction according to the first level signal so as to lift the box body and the cleaning piece;
the second position sensor is positioned at the upper end of the cleaning piece in the width direction, the detection direction of the second position sensor is parallel to the width direction, and the second position sensor is used for outputting a second level signal when an object appears in the detection direction;
and the lifting control module is electrically connected with the second position sensor and used for controlling the rotating shaft of the driving piece to rotate reversely according to the second level signal so as to lower the box body and the cleaning piece.
18. The cleaning control system according to claim 17, wherein the cleaning device further includes a cleaning attachment provided on a surface of the cleaning member that encloses the cleaning space, the cleaning attachment including a shower member and a wiper member that are sequentially distributed in the width direction;
the cleaning control system further comprises a spraying control module which is electrically connected with the first position sensor and used for controlling the spraying component to start spraying the cleaning agent according to the first level signal.
19. A blade cleaning system, comprising:
the cleaning device of any one of claims 1-8;
a cleaning control system according to any one of claims 15 to 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613789.2A CN109622438B (en) | 2018-12-27 | 2018-12-27 | Cleaning device and system, cleaning control device, method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613789.2A CN109622438B (en) | 2018-12-27 | 2018-12-27 | Cleaning device and system, cleaning control device, method and system |
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| Publication Number | Publication Date |
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| CN109622438A CN109622438A (en) | 2019-04-16 |
| CN109622438B true CN109622438B (en) | 2020-08-18 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8192163B2 (en) * | 2008-07-03 | 2012-06-05 | General Electric Company | Wiper for wind turbine blades |
| CN207238560U (en) * | 2017-08-21 | 2018-04-17 | 杨茗晰 | A kind of guardrail cleaning device |
| CN108480246B (en) * | 2018-04-11 | 2021-06-01 | 杭州启澄科技有限公司 | Method for cleaning blade of wind driven generator |
| CN108543755A (en) * | 2018-06-18 | 2018-09-18 | 南京高传机电产业发展有限公司 | A kind of cleaning structure of blade of wind-driven generator |
| CN108941134A (en) * | 2018-09-05 | 2018-12-07 | 滨州学院 | The positioning mechanism of space shuttle engine turbine leaf cleaning equipment |
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